BIRK gamma levels history

From the closing options book · October 20, 2026 · updated after every close

BIRK's closing gamma levels for 89 sessions to October 20, 2026: call wall, put wall, apex, gamma flip, net gamma and implied volatility. The full record back to the first recorded session is a free CSV download.

Sessions

56/60

Short gamma

last 60 sessions

Call wall

Put wall

BIRK net gamma, last 60 sessions

Jul 28Oct 20

BIRK closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	32.78	35	30	35	33.75	+$530K	—
Oct 19	32.71	35	30	35	33.75	+$507K	—
Oct 16	33.85	35	32.5	35	33.75	+$570K	—
Oct 15	35.89	35	32.5	35	33.75	+$820K	—
Oct 14	33.92	35	27.5	27.5	—	−$359K	—
Oct 13	34.18	35	27.5	27.5	—	−$682K	—
Oct 12	33.85	35	27.5	27.5	—	−$573K	—
Oct 9	33.65	35	27.5	27.5	—	−$275K	—
Oct 8	33.12	35	27.5	27.5	—	−$717K	—
Oct 7	33.17	35	27.5	27.5	—	−$704K	—
Oct 6	34.00	35	27.5	27.5	—	−$524K	—
Oct 5	33.77	35	27.5	27.5	—	−$304K	—
Oct 2	33.33	35	27.5	27.5	—	−$356K	—
Oct 1	32.97	35	27.5	27.5	—	−$663K	—
Sep 30	32.41	35	27.5	27.5	—	−$774K	46.7%
Sep 29	33.04	32.5	27.5	27.5	—	−$1.3M	—
Sep 28	32.97	32.5	27.5	27.5	—	−$1.4M	—
Sep 25	33.60	32.5	27.5	27.5	—	−$1.2M	—
Sep 24	31.79	32.5	27.5	27.5	—	−$1.6M	—
Sep 23	31.42	32.5	27.5	27.5	—	−$1.8M	—
Sep 22	31.68	32.5	27.5	27.5	—	−$1.8M	—
Sep 21	31.34	—	27.5	27.5	—	−$2.3M	—
Sep 18	30.56	—	27.5	27.5	—	−$2.2M	—
Sep 17	31.17	—	27.5	27.5	—	−$2.1M	—
Sep 16	30.44	—	27.5	27.5	—	−$2.2M	—
Sep 15	30.01	—	27.5	27.5	—	−$2.3M	45.1%
Sep 14	30.66	—	27.5	27.5	—	−$2.4M	—
Sep 11	31.13	—	27.5	27.5	—	−$2.0M	—
Sep 10	30.69	—	30	30	—	−$189K	—
Sep 9	31.56	37.5	32.5	32.5	—	−$221K	—
Sep 8	32.62	37.5	32.5	32.5	—	−$249K	50.9%
Sep 4	34.00	40	35	35	—	−$138K	—
Sep 3	33.95	40	35	35	—	−$149K	—
Sep 2	33.79	40	35	35	—	−$110K	—
Sep 1	34.25	40	35	35	—	−$93K	—
Aug 31	34.91	—	32.5	32.5	—	−$58K	—
Aug 28	35.65	37.5	35	35	—	−$147K	—
Aug 27	35.31	40	35	40	—	−$25K	—
Aug 26	36.18	—	35	35	—	−$118K	—
Aug 25	35.29	40	35	40	—	−$47K	—
Aug 24	35.30	40	35	40	—	−$23K	—
Aug 21	35.64	40	35	35	—	−$97K	—
Aug 20	34.55	37.5	35	35	—	−$32K	—
Aug 19	36.13	40	35	35	—	−$2.8M	—
Aug 18	37.23	40	35	35	—	−$2.5M	—
Aug 17	37.86	45	40	40	—	−$3.5M	—
Aug 14	39.35	45	40	40	—	−$2.9M	—
Aug 13	41.00	45	40	40	—	−$2.4M	—
Aug 12	36.74	42.5	35	35	—	−$1.8M	—
Aug 11	37.47	42.5	37.5	37.5	—	−$850K	88.3%
Aug 10	39.72	45	37.5	37.5	—	−$1.2M	—
Aug 7	38.45	45	37.5	37.5	—	−$716K	—
Aug 6	37.20	42.5	37.5	37.5	—	−$707K	—
Aug 5	37.48	42.5	37.5	37.5	—	−$911K	82.3%
Aug 4	37.86	45	37.5	37.5	—	−$777K	—
Aug 3	38.88	45	37.5	37.5	—	−$694K	—
Jul 31	38.72	45	37.5	37.5	—	−$642K	—
Jul 30	40.49	45	37.5	37.5	—	−$1.2M	—
Jul 29	41.53	45	37.5	37.5	—	−$1.0M	—
Jul 28	41.85	45	47.5	47.5	—	−$1.1M	—
Jul 27	41.55	45	47.5	47.5	—	−$996K	—
Jul 24	40.63	45	47.5	47.5	—	−$974K	—
Jul 23	40.61	45	47.5	47.5	—	−$890K	—
Jul 22	42.97	45	47.5	47.5	—	−$959K	—
Jul 21	42.22	45	47.5	47.5	—	−$1.0M	—
Jul 20	42.77	45	35	45	43.75	+$54K	—
Jul 17	44.36	45	40	45	43.75	+$67K	—
Jul 16	44.31	50	45	45	—	−$4.1M	—
Jul 15	42.86	50	40	40	—	−$3.0M	—
Jul 14	44.36	50	45	45	—	−$3.3M	—
Jul 13	44.63	50	45	45	—	−$2.5M	—
Jul 10	45.48	50	45	45	—	−$3.0M	—
Jul 9	45.32	50	40	40	—	−$3.0M	—
Jul 8	44.24	50	40	40	—	−$2.4M	—
Jul 7	45.56	50	45	45	—	−$2.7M	—
Jul 6	46.16	50	45	45	—	−$2.6M	—
Jul 2	45.99	50	40	40	—	−$2.7M	—
Jul 1	44.03	50	40	40	—	−$2.0M	—
Jun 30	43.03	42.5	40	40	—	−$2.2M	—
Jun 29	43.41	50	45	45	—	−$1.5M	—
Jun 26	44.42	50	45	45	—	−$1.6M	—
Jun 25	44.52	50	40	40	—	−$1.1M	—
Jun 24	45.09	42.5	40	40	—	−$922K	92.5%
Jun 23	42.35	50	45	45	—	−$1.4M	60.4%
Jun 22	43.30	50	45	45	—	−$1.4M	—
Jun 18	46.11	50	45	45	—	−$1.0M	—
Jun 17	46.95	50	45	45	—	−$2.3M	—
Jun 16	48.97	50	45	45	—	−$1.2M	—
Jun 15	47.93	50	45	45	—	−$1.3M	—

These are the October 20, 2026 closing numbers. Members see BIRK's map move live all session.

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Common questions

Where can I download BIRK gamma history?

The CSV on this page has every recorded BIRK session: call wall, put wall, apex, flip, net gamma, ATM IV and max pain.

How often is BIRK in short gamma?

56 of the last 60 sessions closed with dealers net short gamma.

Compare: gamma levels history on other tickers

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Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.